audk/DuetPkg/PcRtc/Ia32/RealTimeClock.c

171 lines
3.5 KiB
C
Raw Normal View History

/*++
Copyright (c) 2005, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
Ia32PcRtc.c
Abstract:
--*/
#include "RealTimeClock.h"
static PC_RTC_MODULE_GLOBALS mModuleGlobal;
EFI_STATUS
EFIAPI
PcRtcEfiGetTime (
OUT EFI_TIME *Time,
OUT EFI_TIME_CAPABILITIES *Capabilities
)
/*++
Routine Description:
TODO: Add function description
Arguments:
Time - TODO: add argument description
Capabilities - TODO: add argument description
Returns:
TODO: add return values
--*/
{
return PcRtcGetTime (Time, Capabilities, &mModuleGlobal);
}
EFI_STATUS
EFIAPI
PcRtcEfiSetTime (
IN EFI_TIME *Time
)
/*++
Routine Description:
TODO: Add function description
Arguments:
Time - TODO: add argument description
Returns:
TODO: add return values
--*/
{
return PcRtcSetTime (Time, &mModuleGlobal);
}
EFI_STATUS
EFIAPI
PcRtcEfiGetWakeupTime (
OUT BOOLEAN *Enabled,
OUT BOOLEAN *Pending,
OUT EFI_TIME *Time
)
/*++
Routine Description:
TODO: Add function description
Arguments:
Enabled - TODO: add argument description
Pending - TODO: add argument description
Time - TODO: add argument description
Returns:
TODO: add return values
--*/
{
return PcRtcGetWakeupTime (Enabled, Pending, Time, &mModuleGlobal);
}
EFI_STATUS
EFIAPI
PcRtcEfiSetWakeupTime (
IN BOOLEAN Enabled,
OUT EFI_TIME *Time
)
/*++
Routine Description:
TODO: Add function description
Arguments:
Enabled - TODO: add argument description
Time - TODO: add argument description
Returns:
TODO: add return values
--*/
{
return PcRtcSetWakeupTime (Enabled, Time, &mModuleGlobal);
}
EFI_STATUS
EFIAPI
InitializeRealTimeClock (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
/*++
Routine Description:
Arguments:
Returns:
--*/
// TODO: ImageHandle - add argument and description to function comment
// TODO: SystemTable - add argument and description to function comment
{
EFI_STATUS Status;
EFI_HANDLE NewHandle;
EfiInitializeLock (&mModuleGlobal.RtcLock, TPL_HIGH_LEVEL);
Status = PcRtcInit (&mModuleGlobal);
if (EFI_ERROR (Status)) {
return Status;
}
SystemTable->RuntimeServices->GetTime = PcRtcEfiGetTime;
SystemTable->RuntimeServices->SetTime = PcRtcEfiSetTime;
SystemTable->RuntimeServices->GetWakeupTime = PcRtcEfiGetWakeupTime;
SystemTable->RuntimeServices->SetWakeupTime = PcRtcEfiSetWakeupTime;
NewHandle = NULL;
Status = gBS->InstallMultipleProtocolInterfaces (
&NewHandle,
&gEfiRealTimeClockArchProtocolGuid,
NULL,
NULL
);
return Status;
}